body {
	font-family: Arial, sans-serif;
	background-color: #f9f9f9;
	margin: 0;
	padding: 0;
	display: flex;
	justify-content: center;
	align-items: flex-start;
	/* 确保内容从顶部对齐 */
	height: 100vh;
	/* 确保body填充满整个视口 */
}

.category-container {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	/* 默认两列布局 */
	grid-gap: 20px;
	max-width: 1000px;
	width: 100%;
	padding: 20px;
	box-sizing: border-box;
	align-items: start;
	/* 保证每个grid item顶部对齐 */
}

.category-item {
	background-color: white;
	border-radius: 8px;
	box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
	padding: 20px;
	text-align: center;
	transition: transform 0.3s, box-shadow 0.3s;
	cursor: pointer;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	text-decoration: none;
	/* 去除链接下划线 */
}

.category-item:hover {
	transform: translateY(-5px);
	box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.category-icon {
	font-size: 40px;
	color: #4cae4c;
	margin-bottom: 15px;
}

.category-name {
	font-size: 18px;
	font-weight: bold;
	color: #333;
}

.category-description {
	font-size: 14px;
	color: #777;
	margin-top: 8px;
}

/* 响应式设计：当屏幕较小时，显示单列 */
@media (max-width: 768px) {
	.category-container {
		grid-template-columns: 1fr;
		/* 手机界面单列显示 */
	}
}